Rocks greater than 2.5 billion years old were formed by
A) volcanic arcs at mid-ocean ridges.
B) volcanic arcs at convergent boundaries.
C) uplift of crust.
D) collision of tectonic plates.

Question

Quizplus · Accepted Answer

Volcanic arcs at convergent boundaries are responsible for the formation of rocks older than 2.5 billion years. This process involves the subduction of one tectonic plate beneath another, leading to melting and magma formation, which can then cool and solidify into rock.

Rocks Greater Than 2